TCPClient: Fix recv timeout to properly use nanoseconds (#218)

nguydavi · web-flow · commit 24a2933f89fe · 2021-09-23T16:25:45.000+01:00
diff --git a/src/main/java/org/xbill/DNS/TCPClient.java b/src/main/java/org/xbill/DNS/TCPClient.java
@@ -112,7 +112,7 @@ private byte[] _recv(int length) throws IOException {
             throw new EOFException();
           }
           nrecvd += (int) n;
-          if (nrecvd < length && System.currentTimeMillis() > endTime) {
+          if (nrecvd < length && endTime - System.nanoTime() < 0) {
             throw new SocketTimeoutException();
           }
         } else {

Original file line number	Diff line number	Diff line change
`@@ -112,7 +112,7 @@ private byte[] _recv(int length) throws IOException {`
`112`	`112`	`throw new EOFException();`
`113`	`113`	`}`
`114`	`114`	`nrecvd += (int) n;`
`115`		`- if (nrecvd < length && System.currentTimeMillis() > endTime) {`
	`115`	`+ if (nrecvd < length && endTime - System.nanoTime() < 0) {`
`116`	`116`	`throw new SocketTimeoutException();`
`117`	`117`	`}`
`118`	`118`	`} else {`